Grand Island Average Temperature by Month

This page shows the average temperature in each month of the year in Grand Island, Nebraska. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Grand Island?
In Grand Island, Nebraska, the warmest month is July, with an average daily high temperature of 87.6 °F and an average low of 65.1 °F.
What's the Coldest Month in Grand Island?
In Grand Island, Nebraska, the coolest month is January, with an average daily high temperature of 35.6 °F and an average low of 14.8 °F.
Month Avg. High Avg. Low
January 35.6 °F 14.8 °F
February 39.9 °F 18.2 °F
March 52.1 °F 28.0 °F
April 62.8 °F 37.8 °F
May 72.9 °F 49.6 °F
June 83.9 °F 60.3 °F
July 87.6 °F 65.1 °F
August 85.3 °F 62.7 °F
September 78.8 °F 53.1 °F
October 65.1 °F 39.8 °F
November 50.6 °F 27.2 °F
December 38.3 °F 18.0 °F
Year 62.9 °F 39.7 °F
Weather Station Details
Years Station Coordinates
1938–2024 Grand Island Airport location
1921–1938 Grand Island 2W location
1895–1921 Grand Island #1 location